reportedly near or on a bus carrying u.s. soldiers at the frankfurt airport. amy kellogg is following this breaking story live from london. amy. >> reporter: yes, we're trying to piece together the information. we're getting it at this point various press agencies on the ground, pretty much now the frankfurt police and the u.s. military, who are investigating this. two people dead, we understand, one, a u.s. soldier, when allegedly a 21-year-old shooter from kosovo opened fire on a bus, carrying u.s. soldiers, at the frankfurt airport. now, this just happened, so, again, we're just piecing together this information. we believe it's one soldier killed, and the driver of the bus, and then two people taken to the hospital. you know the airport base, the medical center, which is part of the u.s. military s. based very close to frankfurt and that is the biggest u.s. military hospital outside the united states. it's where soldiers coming from iraq and afghanistan are treated. again, we don't have information about the actual soldiers on that bus, where they were going, to or from, but we kn